US Post Office Processing Center

160 Duryea Road
Melville, NY 11747
Phone: (631) 755-2575
Fax: (516) 295-5706
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Garden City US Post Office

600 Franklin Avenue
Garden City - 11530
(516) 747-2201

Baldwin US Post Office

2260 Grand Avenue
Baldwin - 11510
(516) 223-5024

Bethpage US Post Office

288 Grumman Road W
Bethpage - 11714
(516) 349-5000

Greenport US Post Office

131 Front St
Greenport - 11944
(631) 477-1493

Garden City US Post Office

830 Stewart Avenue
Garden City - 11599
(516) 228-7502

Hauppauge US Post Office

150 Oser Avenue
Hauppauge - 11788
(631) 231-3155

Bayville US Post Office

251 Bayville Avenue
Bayville - 11709
(516) 628-9235

Ocean Beach US Post Office

315 Cottage Walk
Ocean Beach - 11770
(631) 583-7368

East Setauket US Post Office

450 Route 25a
East Setauket - 11733
(631) 941-4005

Ridge US Post Office

1700 Middle Country Road
Ridge - 11961
(631) 345-6842